Nicholas Litwin, DO
Internal Medicine Physician · Chattanooga, TN
Nicholas Litwin, DO is an internal medicine physician with a practice address in Chattanooga, Tennessee, and NPI 1679993711, issued on Apr 16, 2014. Check the license (Tennessee 4365, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Nicholas Litwin
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 4365 TN
0102204943 VA
Self-reported in NPPES; status is on the state search - Practice location
- 2525 Desales Ave, Chattanooga, TN 37404
- Phone
- (423) 495-7404
- Enumerated
- Apr 16, 2014
- Record last updated
- Oct 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (423) 495-2625
- Medicare enrollment
- Enrolled (PECOS I20211022000006); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 2525 Desales Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mark AllenAnesthesiology Physician1689251217
- Raymond Alonge, CRNACertified Registered Nurse Anesthetist1366517609
- Nyein Aung, DPTPhysical Therapist1104759943
- Karen Babb, PHARM.D.Pharmacist1548394687
Verify Nicholas Litwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 4365Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
11 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Nicholas Litwin among 2,596 internal medicine physician records in Tennessee
Nicholas Litwin, DO is one of 2,596 internal medicine physician records with a practice address in Tennessee. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 77% of them.
- NPI issued2014 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2014 · median 2003 among the 1,705 with a school on file
- Record last updated2021 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
192 internal medicine physician records list a practice address in Chattanooga
They are 192 of the 7,377 NPPES records with a practice address in Chattanooga, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Chattanooga → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Bosshardt, MDChattanooga, TN 374041932192994
- Collin Cherry, MDChattanooga, TN 374041659375491
- Charles Crump, MDChattanooga, TN 374041093704744
- Annesofie Dubeck-Brooks, MDChattanooga, TN 374041790774610
- Radian Florea, M.D.Chattanooga, TN 374041285627265
- Cristina Florea, MDChattanooga, TN 374041497730949
- Selmon Franklin, MDChattanooga, TN 374041841289501
- Richard Gusso, M.D.Chattanooga, TN 374041780673434
Common questions
What is Nicholas Litwin, DO's NPI number?
Nicholas Litwin, DO's National Provider Identifier (NPI) is 1679993711, issued on Apr 16, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Litwin, DO located?
The NPPES record lists a practice address at 2525 Desales Ave, Chattanooga, TN, 37404. Phone: (423) 495-7404. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Litwin, DO's license?
NPPES lists Tennessee license number 4365, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nicholas Litwin, DO prescribe under Medicare Part D?
In 2024, Nicholas Litwin, DO had 11 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.